Why NBC shuffled its exec deck

NBC has announced key executive changes triggered by a newly announced streaming venture.

Under the new organizational structure, Bonnie Hammer will become chairman of a streaming service NBC will launch in 2020.
Previously, Hammer was chair of NBCUniversal cable entertainment and studios, with responsibility for USA, SyFy, Bravo, E!, Oxygen and Universal Kids as well as production companies UCP and Wilshire Studios.
As part of the move, Mark Lazarus will become chairman of NBCUniversal broadcast, cable, sports and news.
This will move NBC News, MSNBC and CNBC under Lazarus’ responsibility.
Meanwhile, Jeff Shell will be chairman, NBCUniversal film and entertainment.
Shell will now oversee NBC Entertainment, international and Telemundo in addition to film properties.
Donna Langley has also been promoted to lead up the Universal Filmed Entertainment Group, which includes the global theatrical distribution and home entertainment units.
Steve Burke will continue to be CEO of NBCUniversal, the parent company of all of these brands.